Fuel efficient oven

Stoves and furnaces – Stoves – Cooking

Patent

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Details

126 92C, 126246, 219400, 312236, A21B 100, F24C 100

Patent

active

044806280

ABSTRACT:
A heat exchanger for use with a portable oven. The disclosed heat exchanger maximizes the conversion of heat caloric content of a combustible fuel to useable heat energy. A gas fueled infra-red burner mounted above the heat exchanger directs radiant energy toward a metal plate which also is contacted by waste or effluent from the burner. The metal plate in turn transmits heat by conduction to a sealed passageway or flow path through which air circulates on its way to the oven. By heating the plate with both effluent and radiation approximately 70% of the heat caloric content of the gas fuel is converted to heat energy for heating air in the passageway. Use of a sealed passageway allows conditions inside the oven to be controlled to make the oven suitable for use as a test oven.

REFERENCES:
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patent: 2410881 (1946-11-01), Hunter
patent: 3614923 (1971-10-01), Thompson
patent: 3658047 (1972-04-01), Happel
patent: 3836220 (1974-09-01), Ishammar
patent: 3895215 (1975-07-01), Gordon
patent: 3908749 (1975-09-01), Williams
patent: 4030476 (1977-06-01), Hock
patent: 4039776 (1977-08-01), Roderick
patent: 4126775 (1978-11-01), Wyatt
patent: 4233495 (1980-11-01), Scoville et al.

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